CN114669636A

CN114669636A - Processing technology of faucet bent pipe

Info

Publication number: CN114669636A
Application number: CN202210245770.7A
Authority: CN
Inventors: 郭洪明; 李飞; 厉明
Original assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Current assignee: Hangzhou Panasia Sanitary Ware Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-06-28

Abstract

The invention discloses a processing technology of a water faucet bent pipe, which comprises the following steps: firstly, a manipulator grabs a pipe fitting to be processed in a bin and transmits the pipe fitting to a first machine tool, and an inlet thread is processed at one end port of the pipe fitting of the first machine tool; after the machining is finished, the pipe fitting is conveyed to a bending machine through a manipulator, and the other end of the pipe fitting is bent; conveying the bent pipe fitting to a cutting and shaping machine by a manipulator for cutting and shaping; placing the pipe fittings on the positioning piece by the manipulator, then conveying the pipe fittings into a second machine tool, and processing outlet threads at the other end ports of the two pairs of pipe fittings of the second machine tool; and fifthly, the mechanical arm conveys the processed pipe fitting to a conveying belt and falls into the blanking frame through the conveying of the conveying belt. The invention has the beneficial effects that: the working efficiency is improved, the potential safety hazard of operation is reduced, and the quality control of the faucet pipe fitting is facilitated.

Description

Processing technology of faucet bent pipe

Technical Field

The invention relates to the technical field related to water tap bent pipes, in particular to a processing technology of a water tap bent pipe.

Background

The water tap is a popular name of a water valve, is used for controlling the size of water flow to be switched on and off, and has the effect of saving water. The water tap has a very fast updating speed, and develops from an old cast iron process to an electroplating knob type water tap, a stainless steel single-temperature single-control water tap, a stainless steel double-temperature double-control water tap and a kitchen semi-automatic water tap. At present, more and more consumers purchase faucets, and the faucet pipe fittings are comprehensively considered from various aspects such as materials, functions, shapes and the like, so the processing requirements on the faucet pipe fittings are more and more strict.

In the prior art, the processing of the faucet pipe fitting needs to be performed through a plurality of processes, particularly the processing of the bent pipe, the processes are more complicated, so that the faucet pipe fitting is often required to be manually conveyed from one process to the next process, the working efficiency is low, and particularly, along with the increasing processing demand of the faucet pipe fitting, a lot of labor is added to a front-line worker, so that the quality control of the faucet pipe fitting is not facilitated.

Disclosure of Invention

The invention provides a processing technology of a water faucet elbow pipe, which can improve the working efficiency and overcome the defect of low processing working efficiency of a water faucet pipe fitting in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a processing technology of a faucet elbow comprises the following steps:

firstly, a manipulator grabs a pipe fitting to be processed in a bin and transmits the pipe fitting to a first machine tool, and an inlet thread is processed at one end port of the pipe fitting of the first machine tool;

after the machining is finished, the pipe fitting is conveyed to a bending machine through a manipulator, and the other end of the pipe fitting is bent;

conveying the bent pipe fitting to a cutting and shaping machine by a manipulator for cutting and shaping;

placing the pipe fitting on a positioning piece by a manipulator, so that secondary positioning of the bent pipe fitting is facilitated, counting of the pipe fitting is facilitated, then the pipe fitting is conveyed into a machine tool II, outlet threads are machined at ports of the other ends of the two pairs of pipe fittings of the machine tool II, and after the pipe fitting subjected to secondary positioning is conveyed into the machine tool II, the two pairs of pipe fittings of the machine tool are favorably accurately positioned, so that the machining precision of the outlet threads is favorably improved;

and fifthly, the mechanical arm conveys the processed pipe fitting to a conveying belt and falls into the blanking frame through the conveying of the conveying belt.

The manipulator is used for the pipe fitting to carry between feed bin, lathe one, bender, cutting trimmer, setting element, lathe two and the conveyer belt to collect in the blanking frame through the conveyer belt, realized through the manipulator to the whole assembly line operation of tap bend machining, reached the purpose that can improve work efficiency, when reducing the potential safety hazard of operation, do benefit to the quality of tap pipe fitting and control.

Preferably, in the step one, the specific steps of the robot transferring the pipe into the machine tool one are as follows:

step A, a control system controls a lifting arm to descend, so that a clamping jaw is positioned in a storage bin;

b, the control system controls the finger cylinder to start, so that the finger cylinder can clamp the corresponding pipe fitting, and after clamping is finished, the lifting arm is controlled to ascend;

c, controlling the manipulator to move right above the first machine tool along the truss by the control system;

and D, controlling the lifting arm to descend by the control system, sending the pipe fitting into a corresponding position in the first machine tool from the position right above the first machine tool, and positioning the pipe fitting and machining the inlet thread by the first machine tool. The control system controls the lifting operation of the lifting arm, the finger cylinder can clamp and convey the pipe fittings conveniently, the manipulator moves along the truss, the pipe fittings can be conveyed among all working procedures, labor force is greatly saved, and working efficiency is improved.

Preferably, the control system can adjust the position of the finger cylinder by controlling the screw rod stepping motor and the rotating motor, and when the screw rod stepping motor works, the sliding block is driven to horizontally move, so that the finger cylinder and the rotating motor synchronously move, and the rotating motor can drive the finger cylinder to rotate by a certain angle. The degree of freedom of the manipulator is improved, and the manipulator can conveniently make adaptive changes according to different work flows.

Preferably, in the second step, the bending process includes the following specific steps:

step S1, the left clamping block is positioned at one end of the left limiting block, and the manipulator inserts the pipe fitting into the second arc-shaped limiting groove and the second arc-shaped clamping groove from the other end of the left limiting block respectively;

step S2, the control system respectively controls the first air cylinder and the second air cylinder to start simultaneously, the first air cylinder drives the first sliding block to slide, and the second air cylinder drives the second sliding block to slide, so that the right limiting block and the right clamping block move synchronously until the surfaces of the pipe fittings are respectively contacted with the first arc limiting groove and the first arc clamping groove, and at the moment, the pipe fittings are respectively positioned under the combined action of the left limiting block and the right limiting block as well as the left clamping block and the right clamping block;

step S3, the control system controls the manipulator to be separated from the pipe fitting and controls the manipulator to be contracted, so that the pipe fitting can be bent conveniently;

step S4, the control system controls and starts the oil pump, and oil in the oil drum is respectively conveyed into the first arc-shaped limiting groove and the second arc-shaped limiting groove, so that the oil pump is conveniently sprayed on the surface of the pipe fitting;

s5, a control system controls and starts a driving motor, the driving motor drives a workbench II to rotate for a certain angle, meanwhile, a left clamping block and a right clamping block synchronously rotate, in the rotating process, one end, limited by a left limiting block and a right limiting block, of the pipe fitting moves relative to a first arc limiting groove and a second arc limiting groove, and grease is sprayed on the surface of the pipe fitting, so that the abrasion degree of the surface of the pipe fitting is reduced in the moving process, the pipe fitting is not easy to deform, the size precision of the pipe fitting is guaranteed, the other end of the pipe fitting is clamped by the first arc clamping groove and the second arc clamping groove to be positioned and rotates along with the pipe fitting, the pipe fitting is bent along the bending direction of the second arc clamping groove, and the precision of the bending radius of the pipe fitting is improved;

Step S6, after the bending is finished, the control system respectively controls the oil pump and the driving motor to stop working, and meanwhile, the manipulator is controlled to clamp the pipe fitting;

and step S7, the control system controls the first air cylinder and the second air cylinder to respectively drive the right limiting block and the right clamping block to move reversely, so that the pipe fitting is separated from a clamping state, and then the manipulator is controlled to convey the pipe fitting to the cutting and shaping machine.

Preferably, in step S4, oil in the oil drum is delivered into the oil cavity of the left stopper through the delivery pipe under the action of the oil pump, and then sequentially enters the oil cavity of the right stopper through the second circulation hole and the corresponding first circulation hole, and the oil in the oil cavity is sprayed onto the surface of the pipe fitting through the spray holes. The bending device is beneficial to the fact that grease can be uniformly coated on the outer side wall of the pipe fitting in the bending moving process of the pipe fitting, and reduces the degree of abrasion of the surface of the pipe fitting to a greater extent, so that the size precision of the pipe fitting is further improved.

Preferably, in steps S6 and S7, the control system controls the robot to move to the position right above the first avoidance notch and the second avoidance notch, then controls the robot to extend and pick up the pipe, and finally controls the robot to contract again when the pipe is out of the clamping state, so that the pipe is out of the bending machine and conveyed to the cutting and shaping machine. The first avoidance notch and the second avoidance notch facilitate the manipulator to clamp the pipe fittings, and the pipe fittings are conveyed.

Preferably, the cutting and shaping machine comprises the following specific operation steps:

step A1, conveying the pipe fitting to a lifting table by a manipulator, and enabling the bending part of the pipe fitting to be located between the arc-shaped limiting bump and the positioning block;

step A2, controlling the operation of the cylinder III by a control system to enable the positioning block to move towards the lifting platform until the bending part of the pipe fitting is limited in a circular space formed by the arc-shaped groove I and the arc-shaped groove II, positioning the positioning block on the lifting platform, and enabling the part of the pipe fitting clamped by the arc-shaped clamping groove I and the arc-shaped clamping groove II to be positioned outside the circular space formed by the arc-shaped groove I and the arc-shaped groove II and right above the blanking port;

step A3, controlling the lifting platform to ascend to a set position by the control system, enabling the positioning block to ascend along with the lifting platform due to the fact that the first telescopic shaft is connected with the positioning block in a vertical sliding mode, enabling the pipe fitting to be in a fixed state all the time, enabling the cutting device to cut the clamping portion of the pipe fitting, cutting off the portion, clamped by the first arc-shaped clamping groove and the second arc-shaped clamping groove, of the pipe fitting by the cutting device, forming a cut at the end portion of the pipe fitting, enabling cut waste materials to fall into a blanking port, facilitating prevention of waste material accumulation and keeping tidiness;

Step A4, after cutting, shaping the notch by a shaping device, which is beneficial to improving the roundness of the notch, thereby facilitating the processing of outlet threads at two notches of a machine tool;

and step A5, finally, the control system controls the lifting platform to descend, the positioning block descends along with the lifting platform, and controls the cylinder III to work again, so that the positioning block moves reversely for a certain distance, and the manipulator clamps the pipe fitting and conveys the pipe fitting to the positioning block.

Preferably, in step a3, the specific operation steps of the cutting device are as follows:

step B1, the control system controls the cylinder six to work, and the position of the electric cutting wheel in the vertical direction is changed to be positioned at the position where the pipe fitting needs to be cut;

step B2, the control system controls the second rotating motor and the electric cutting wheel to work, the second rotating motor drives the connecting rod to rotate, and the electric cutting wheel cuts the pipe fitting;

step B3, after the cutting is finished, the electric cutting wheel stops working, the control system controls the second rotating motor to work again, the second rotating motor drives the connecting rod to rotate reversely, the electric cutting wheel is gradually far away from the blanking port, the second rotating motor enables the electric cutting wheel to rotate under the driving of the connecting rod, interference with the manipulator is avoided in the sliding process of the manipulator, the manipulator is convenient to take the pipe fitting, meanwhile, adaptive adjustment can be made according to different cutting requirements of the pipe fitting, and the practicability is high.

Preferably, the shaping process comprises the following specific steps:

step C1, the control system controls the cylinder IV to work, the moving block is pushed to move towards the cut end of the pipe fitting until the inner wall shaping block is positioned in the cut, and at the moment, the arc surface of the inner wall shaping block is attached to the inner side wall of the pipe fitting;

step C2, controlling a fifth cylinder to work by the control system, and driving the outer wall shaping block to move by the fifth cylinder until the arc-shaped concave surface of the outer wall shaping block is attached to the outer side wall of the pipe fitting;

step C3, controlling a first rotating motor to work by a control system, driving a support plate to rotate by the first rotating motor, and synchronously rotating an inner wall shaping block and an outer wall shaping block, wherein in the rotating process, the inner wall shaping block shapes the inner wall of the pipe fitting through an arc surface, and the outer wall shaping block shapes the outer wall of the pipe fitting through an arc-shaped sunken surface, so that the roundness of the pipe fitting is improved, and the uniformity of the thickness of the side wall of the pipe fitting is improved;

and step C4, after the shaping is finished, the control system controls the cylinder five to work again, the cylinder five drives the outer wall shaping block to move reversely to enable the outer wall shaping block to be separated from the outer side wall of the pipe fitting, then the control system controls the cylinder four to work to enable the moving block to move reversely, and finally the inner wall shaping block and the outer wall shaping block are separated from the pipe fitting.

Preferably, the manipulator places the pipe fitting that finishes through cutting plastic in the constant head tank for the pipe fitting forms notched one end and contacts with the flange, and the bending part of pipe fitting is spacing in spacing recess one, and the pipe fitting is equipped with the one end spacing in spacing recess two of import screw thread. The design of flange, spacing recess one and spacing recess two is favorable to the pipe fitting to obtain the secondary location when placing in the constant head tank to obtain accurate location when making it carry to lathe two in by the manipulator, do benefit to accurate processing export screw thread, be convenient for simultaneously to the count of pipe fitting.

The invention has the beneficial effects that: the working efficiency is improved, the potential safety hazard of operation is reduced, and the quality control of the faucet pipe fitting is facilitated; the bent pipe fitting can be conveniently secondarily positioned, and the machine tool can be used for accurately positioning the two pipe fittings, so that the machining precision of outlet threads can be improved, and the pipe fittings can be counted conveniently; the degree of freedom of the manipulator is high, so that the manipulator can conveniently make adaptive changes according to different work flows; the abrasion degree of the surface of the pipe fitting is reduced, so that the pipe fitting is not easy to deform, and the dimensional precision of the pipe fitting is favorably ensured; the precision of the bending radius of the pipe fitting is improved; the waste material accumulation is prevented, and the cleanness is kept; the roundness of the cut part is improved; the uniformity of the thickness of the side wall of the pipe fitting is improved; the manipulator of being convenient for to the taking of pipe fitting, the adjustment that can make the adaptability to the different cutting requirements of pipe fitting simultaneously, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

figure 2 is a schematic structural view of a bending machine;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a schematic view of the cutting and shaping machine;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

FIG. 7 is a schematic view of the positioning member;

figure 8 is a schematic view of the jaw configuration.

In the figure: 1, a truss, 2, a storage bin, 3, a first machine tool, 4, a bending machine, 5, a cutting and shaping machine, 6, a second machine tool, 7, a mechanical arm, 8, a limiting piece, 9, a bending piece, 10, a first workbench, 11, an oil drum, 12, a limiting part, 13, a conveying pipe, 14, an oil pump, 15, a second workbench, 16, a driving motor, 17, a clamping part, 18, a first sliding block, 19, a left limiting block, 20, a first air cylinder, 21, a right limiting block, 22, a first arc-shaped limiting groove, 23, a second arc-shaped limiting groove, 24, an oil cavity, 25, an injection hole, 26, a first circulation hole, 27, a second circulation hole, 28, a first avoiding notch, 29, a second avoiding notch, 30, a second sliding block, 31, a left clamping block, 32, a second air cylinder, 33, a right clamping block, 34, a first arc-shaped clamping groove, 35. the cutting device comprises an arc-shaped groove, 36 arc-shaped clamping grooves II, 37 operation tables, 38 lifting tables, 39 cutting devices, 40 shaping devices, 41 blanking ports, 42 arc-shaped limiting lugs, 43 air cylinders III, 44 telescopic shafts I, 45 positioning blocks, 46 arc-shaped grooves I, 47 arc-shaped grooves II, 48 moving blocks, 49 shaping components, 50 air cylinders IV, 51 supporting plates, 52 rotating motors I, 53 inner wall shaping blocks, 54 arc-shaped surfaces, 55 air cylinders V, 56 outer wall shaping blocks, 57 air cylinders VI, 58 telescopic shafts II, 59 mounting frames, 60 rotating motors II, 61 connecting rods, 62 electric cutting wheels, 63 positioning pieces, 64 positioning grooves, 65 convex plates, 66 limiting grooves I, 67 limiting grooves II, 68. conveying belt, 69, blanking frame, 70, lifting arm, 71, clamping jaw, 72, sliding seat, 73, screw rod stepping motor, 74, sliding block, 75, rotating motor and 76, finger cylinder.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1, a process for manufacturing a bent pipe of a faucet comprises the following steps

Firstly, a manipulator 7 grabs a pipe to be processed in a bin 2 and transmits the pipe to a machine tool I3, and the machine tool I3 processes an inlet thread on one end port of the pipe;

after the machining is finished, conveying the pipe fitting to a bending machine 4 through a manipulator 7, and bending the other end of the pipe fitting;

thirdly, conveying the bent pipe fitting to a cutting and shaping machine 5 by a manipulator 7 for cutting and shaping;

fourthly, the manipulator 7 places the pipe fitting on the positioning part 63, so that secondary positioning of the bent pipe fitting is facilitated, the pipe fitting is counted at the same time, then the pipe fitting is conveyed into the machine tool II 6, the machine tool II 6 processes outlet threads on the other end port of the pipe fitting, and after the pipe fitting subjected to secondary positioning is conveyed into the machine tool II 6, the machine tool II 6 is facilitated to accurately position the pipe fitting, so that the processing precision of the outlet threads is improved;

and step five, the manipulator 7 conveys the processed pipe fitting to a conveying belt 68, and the processed pipe fitting falls into a blanking frame 69 through the conveying of the conveying belt 68.

The manipulator 7 is used for conveying the pipe fittings among the storage bin 2, the first machine tool 3, the bending machine 4, the cutting and shaping machine 5, the positioning part 63, the second machine tool 6 and the conveying belt 68, and the pipe fittings are collected in the blanking frame 69 through the conveying belt 68, so that the whole assembly line operation of the manipulator 7 for the water faucet pipe bending is realized, the purpose of improving the working efficiency is achieved, the potential safety hazard of the operation is reduced, and the quality control of the water faucet pipe fittings is facilitated.

As shown in fig. 1 and 8, in the first step, the robot 7 transfers the pipe into the first machine tool 3 by the following specific steps:

step A, the control system controls the lifting arm 70 to descend, so that the clamping jaw 71 is positioned in the storage bin 2;

step B, the control system controls the finger cylinder 76 to start, so that the finger cylinder 76 can clamp the corresponding pipe, and after clamping is finished, the lifting arm 70 is controlled to ascend;

c, controlling the manipulator 7 to move right above the first machine tool 3 along the truss by the control system;

and D, controlling the lifting arm 70 to descend by the control system, conveying the pipe fitting into the corresponding position in the first machine tool 3 from the position right above the first machine tool 3, positioning the pipe fitting by the first machine tool 3 and machining the inlet thread.

As shown in fig. 8, the control system can adjust the position of the finger cylinder 76 by controlling the lead screw stepping motor 73 and the rotating motor 75, when the lead screw stepping motor 73 works, the slide block 74 is driven to move horizontally, so that the finger cylinder 76 and the rotating motor 75 move synchronously, and the rotating motor 75 can drive the finger cylinder 76 to rotate by a certain angle.

As shown in fig. 2, 3 and 4, in the second step, the bending process specifically includes:

step S1, the left clamping block 31 is positioned at one end of the left limiting block 19, and the manipulator 7 inserts the pipe fitting into the second arc-shaped limiting groove 23 and the second arc-shaped clamping groove 36 from the other end of the left limiting block 19;

step S2, the control system respectively controls the first air cylinder 20 and the second air cylinder 32 to start simultaneously, the first air cylinder 20 drives the first sliding block 18 to slide, and the second air cylinder 32 drives the second sliding block 30 to slide, so that the right limiting block 21 and the right clamping block 33 synchronously move until the surfaces of the pipe fittings respectively contact with the first arc limiting groove 22 and the first arc clamping groove 34, and at the moment, the pipe fittings are respectively positioned under the combined action of the left limiting block 19 and the right limiting block 21, and the left clamping block 31 and the right clamping block 33;

step S3, controlling the manipulator 7 to separate from the pipe fitting and controlling the manipulator 7 to contract, so as to facilitate the bending operation of the pipe fitting;

step S4, the control system controls the oil pump 14 to be started, and oil in the oil drum 11 is respectively conveyed into the first arc limiting groove 22 and the second arc limiting groove 23, so that the oil can be conveniently sprayed on the surface of the pipe fitting;

step S5, the control system controls the start of the driving motor 16, the driving motor 16 drives the workbench II 15 to rotate for a certain angle, meanwhile, the left clamping block 31 and the right clamping block 33 synchronously rotate, in the rotating process, one end of the pipe fitting limited by the left limiting block 19 and the right limiting block 21 moves relative to the arc limiting groove I22 and the arc limiting groove II 23, and grease is sprayed on the surface of the pipe fitting, so in the moving process, the abrasion degree of the surface of the pipe fitting is reduced, the pipe fitting is not easy to deform, meanwhile, the size precision of the pipe fitting is favorably ensured, the other end of the pipe fitting is mutually clamped by the arc clamping groove I34 and the arc clamping groove II 36 to be positioned and rotates together, the pipe fitting is bent along the bending direction of the arc clamping groove II 36, and the precision of the bending radius of the pipe fitting is favorably improved;

Step S6, after the bending is finished, the control system respectively controls the oil pump 14 and the driving motor 16 to stop working, and simultaneously controls the manipulator 7 to clamp the pipe fitting;

in step S7, the control system controls the first air cylinder 20 and the second air cylinder 32 to drive the right limiting block 21 and the right clamping block 33 to move in opposite directions, so that the pipe fitting is separated from the clamping state, and then controls the manipulator 7 to convey the pipe fitting to the cutting and shaping machine 5.

As shown in fig. 2 and 4, in step S4, the oil in the oil drum 11 is fed into the oil chamber 24 of the left stopper 19 through the delivery pipe 13 by the oil pump 14, and then sequentially enters the oil chamber 24 of the right stopper 21 through the second flow hole 27 and the corresponding first flow hole 26, and the oil in the oil chamber 24 is sprayed to the surface of the pipe fitting through the spray hole 25.

As shown in fig. 1, 2 and 3, in steps S6 and S7, the control system controls the manipulator 7 to move to the position right above the first avoidance gap 28 and the second avoidance gap 29, then controls the manipulator 7 to extend and pick up the pipe, and finally controls the manipulator 7 to contract again when the pipe is out of the clamping state, so that the pipe is separated from the bending machine 4 and is conveyed to the cutting and shaping machine 5.

As shown in fig. 1 and 5, the cutting and shaping machine 5 includes the following specific operation steps:

Step a1, the manipulator 7 conveys the pipe fitting to the lifting platform 38, so that the bending part of the pipe fitting is positioned between the arc-shaped limiting bump 42 and the positioning block 45;

step A2, controlling the third cylinder 43 to work by the control system, so that the positioning block 45 moves towards the lifting table 38 until the bent part of the pipe fitting is limited in the circular space formed by the first arc-shaped groove 46 and the second arc-shaped groove 47, at the moment, the positioning block 45 is positioned on the lifting table 38, the part of the pipe fitting clamped by the first arc-shaped clamping groove 34 and the second arc-shaped clamping groove 36 is positioned outside the circular space formed by the first arc-shaped groove 46 and the second arc-shaped groove 47 and right above the blanking opening 41, and because the part of the pipe fitting clamped by the clamping part 17 is deformed, the part is positioned outside the circular space formed by the first arc-shaped groove 46 and the second arc-shaped groove 47, and is cut off by the cutting device 39;

step A3, controlling the lifting platform 38 to ascend to a set position by the control system, and enabling the first telescopic shaft 44 to be connected with the positioning block 45 in a vertical sliding mode, so that the positioning block 45 can ascend along with the lifting platform 38, the pipe fitting is always in a fixed state, the clamping part of the pipe fitting can be conveniently cut by the cutting device 39, the part, clamped by the first arc-shaped clamping groove 34 and the second arc-shaped clamping groove 36, of the pipe fitting is cut by the cutting device 39, a cut is formed in the end of the pipe fitting, and cut waste materials fall into the blanking port 41;

Step A4, after cutting, shaping the cut by a shaping device 40;

and step A5, finally, the control system controls the lifting platform 38 to descend, the positioning block 45 descends along with the lifting platform, and controls the third cylinder 43 to work again, so that the positioning block 45 moves reversely for a certain distance, and the manipulator 7 grips the pipe fitting and conveys the pipe fitting to the positioning block 63.

As shown in fig. 5, in step a3, the specific operation steps of the cutting device 39 are:

step B1, the control system controls the cylinder six 57 to work, and the position of the electric cutting wheel 62 in the vertical direction is changed through the telescopic shaft two 58 to enable the electric cutting wheel to be located at the position where the pipe fitting needs to be cut;

step B2, the control system controls the second rotating motor 60 and the electric cutting wheel 62 to work, the second rotating motor 60 drives the connecting rod 61 to rotate, and the electric cutting wheel 62 cuts the pipe fitting;

and step B3, after cutting, stopping the electric cutting wheel 62, controlling the second rotating motor 60 to work again by the control system, and driving the connecting rod 61 to rotate reversely by the second rotating motor 60, so that the electric cutting wheel 62 is gradually far away from the blanking port 41.

As shown in fig. 5 and 6, the shaping process includes the following specific steps:

step C1, the control system controls the cylinder four 50 to work, and pushes the moving block 48 to move towards the cut end of the pipe fitting until the inner wall shaping block 53 is positioned in the cut, and at the moment, the arc surface 54 of the inner wall shaping block 53 is attached to the inner side wall of the pipe fitting;

Step C2, the control system controls the operation of the cylinder five 55, the cylinder five 55 drives the outer wall shaping block 56 to move until the arc-shaped concave surface of the outer wall shaping block 56 is jointed with the outer side wall of the pipe fitting;

step C3, the control system controls the first rotating motor 52 to work, the first rotating motor 52 drives the support plate 51 to rotate, meanwhile, the inner wall shaping block 53 and the outer wall shaping block 56 synchronously rotate, in the rotating process, the inner wall shaping block 53 shapes the inner side wall of the pipe fitting through the arc surface 54, and the outer wall shaping block 56 shapes the outer side wall of the pipe fitting through the arc-shaped concave surface, so that the roundness of the pipe fitting is favorably improved, and meanwhile, the uniformity of the thickness of the side wall of the pipe fitting is favorably improved;

and step C4, after the shaping is finished, the control system controls the operation of the cylinder five 55 again, the cylinder five 55 drives the outer wall shaping block 56 to move reversely so as to separate from the outer side wall of the pipe fitting, then the control system controls the operation of the cylinder four 50 so as to enable the moving block 48 to move reversely, and finally the inner wall shaping block 53 and the outer wall shaping block 56 separate from the pipe fitting.

As shown in fig. 1 and 7, the manipulator 7 places the cut and shaped pipe fitting in the positioning groove 64, so that the end of the pipe fitting, which forms the notch, contacts the convex plate 65, the bent part of the pipe fitting is limited in the first limiting groove 66, and the end of the pipe fitting, which is provided with the inlet thread, is limited in the second limiting groove 67. The design of flange 65, spacing recess 66 and spacing recess two 67 is favorable to the pipe fitting to obtain the secondary location when placing in constant head tank 64 to obtain accurate location when making it carry to lathe two 6 in by manipulator 7, do benefit to accurate processing export screw thread, be convenient for simultaneously to the count of pipe fitting.

Claims

1. A processing technology of a faucet bent pipe is characterized by comprising the following steps:

firstly, a manipulator (7) grabs a pipe fitting to be machined in a storage bin (2) and transmits the pipe fitting to a machine tool I (3), and the machine tool I (3) machines an inlet thread on one end port of the pipe fitting;

after the machining is finished, the pipe fitting is conveyed to a bending machine (4) through a manipulator (7), and the other end of the pipe fitting is bent;

thirdly, conveying the bent pipe fitting to a cutting and shaping machine (5) by a manipulator (7) for cutting and shaping;

placing the pipe fitting on the positioning piece (63) by the manipulator (7), then conveying the pipe fitting into a second machine tool (6), and processing an outlet thread on the other end port of the pipe fitting by the second machine tool (6);

and fifthly, the manipulator (7) conveys the processed pipe fitting to a conveyer belt (68) and falls into a blanking frame (69) through the conveying of the conveyer belt (68).

2. The process for machining the elbow pipe of the water faucet as claimed in claim 1, wherein in the first step, the specific steps of conveying the pipe fitting into the first machine tool (3) by the manipulator (7) are as follows:

step A, a control system controls a lifting arm (70) to descend, so that a clamping jaw (71) is located in a storage bin (2);

B, the control system controls the finger cylinder (76) to start, so that the finger cylinder (76) can clamp the corresponding pipe fitting, and after clamping is finished, the lifting arm (70) is controlled to ascend;

step C, the control system controls the manipulator (7) to move to the position right above the first machine tool (3) along the truss;

and D, controlling the lifting arm (70) to descend by the control system, conveying the pipe fitting into a corresponding position in the first machine tool (3) from the position right above the first machine tool (3), and positioning the pipe fitting and machining the inlet thread by the first machine tool (3).

3. The process for machining the elbow of the faucet as claimed in claim 2, wherein the control system can adjust the position of the finger cylinder (76) by controlling the lead screw stepping motor (73) and the rotating motor (75), when the lead screw stepping motor (73) works, the slide block (74) is driven to move horizontally, so that the finger cylinder (76) and the rotating motor (75) move synchronously, and the rotating motor (75) can drive the finger cylinder (76) to rotate for a certain angle.

4. The process for machining the elbow pipe of the water faucet as claimed in claim 1, 2 or 3, wherein in the second step, the bending treatment comprises the following specific steps:

Step S1, the left clamping block (31) is located at one end of the left limiting block (19), and the manipulator (7) inserts the pipe fitting into the second arc-shaped limiting groove (23) and the second arc-shaped clamping groove (36) from the other end of the left limiting block (19) respectively;

step S2, the control system respectively controls a first air cylinder (20) and a second air cylinder (32) to start simultaneously, the first air cylinder (20) drives a first sliding block (18) to slide, and the second air cylinder (32) drives a second sliding block (30) to slide, so that a right limiting block (21) and a right clamping block (33) synchronously move until the surfaces of the pipe fittings respectively contact with a first arc limiting groove (22) and a first arc clamping groove (34), and at the moment, the pipe fittings are respectively positioned under the combined action of the left limiting block (19), the right limiting block (21), the left clamping block (31) and the right clamping block (33);

step S3, the control system controls the manipulator (7) to separate from the pipe fitting and controls the manipulator (7) to contract;

step S4, the control system controls to start the oil pump (14) and respectively conveys the oil in the oil drum (11) to the first arc limiting groove (22) and the second arc limiting groove (23);

step S5, a control system controls and starts a driving motor (16), the driving motor (16) drives a second workbench (15) to rotate for a certain angle, meanwhile, a left clamping block (31) and a right clamping block (33) synchronously rotate, in the rotating process, one end, limited by a left limiting block (19) and a right limiting block (21), of the pipe fitting moves relative to a first arc limiting groove (22) and a second arc limiting groove (23), the other end of the pipe fitting is clamped by the first arc clamping groove (34) and the second arc clamping groove (36) to be positioned and rotates along with the pipe fitting, and the pipe fitting is bent along the bending direction of the second arc clamping groove (36);

Step S6, after the bending is finished, the control system respectively controls the oil pump (14) and the driving motor (16) to stop working, and simultaneously, the manipulator (7) is controlled to clamp the pipe fitting;

and step S7, the control system controls the first cylinder (20) and the second cylinder (32) to respectively drive the right limiting block (21) and the right clamping block (33) to move reversely, so that the pipe fitting is separated from the clamping state, and then the manipulator (7) is controlled to convey the pipe fitting to the cutting and shaping machine (5).

5. The processing technology of the water faucet elbow pipe is characterized in that in step S4, oil in an oil drum (11) is conveyed into an oil cavity (24) of a left limiting block (19) through a conveying pipe (13) under the action of an oil pump (14), and then enters the oil cavity (24) of a right limiting block (21) through a second circulation hole (27) and a corresponding first circulation hole (26) in sequence, and the oil in the oil cavity (24) is sprayed to the surface of the pipe fitting through a spraying hole (25).

6. The process for manufacturing a bent pipe of a faucet as claimed in claim 4, wherein in steps S6 and S7, the control system controls the manipulator (7) to move to the position right above the first avoidance gap (28) and the second avoidance gap (29), then controls the manipulator (7) to extend and grip the pipe, and finally controls the manipulator (7) to contract again when the pipe is released from the gripping state, so that the pipe is released from the bending machine (4) and conveyed to the cutting and shaping machine (5).

7. The processing technology of the water faucet bent pipe according to claim 4, characterized in that the cutting and shaping machine (5) comprises the following specific operation steps:

step A1, the manipulator (7) conveys the pipe fitting to the lifting platform (38) so that the bending part of the pipe fitting is positioned between the arc-shaped limiting lug (42) and the positioning block (45);

step A2, controlling a third cylinder (43) to work by a control system, so that a positioning block (45) moves towards a lifting platform (38) until a bending part of the pipe fitting is limited in a circular space formed by a first arc-shaped groove (46) and a second arc-shaped groove (47), the positioning block (45) is positioned on the lifting platform (38), and a part, clamped by a first arc-shaped clamping groove (34) and a second arc-shaped clamping groove (36), of the pipe fitting is positioned outside the circular space formed by the first arc-shaped groove (46) and the second arc-shaped groove (47) and is positioned right above a blanking port (41);

step A3, controlling the lifting platform (38) to ascend to a set position by the control system, cutting the part of the pipe piece clamped by the first arc-shaped clamping groove (34) and the second arc-shaped clamping groove (36) by the cutting device (39), forming a cut at the end part of the pipe piece, and enabling cut waste materials to fall into the blanking port (41);

Step A4, after cutting, shaping the cut by a shaping device (40);

and step A5, finally, the control system controls the lifting platform (38) to descend and controls the cylinder III (43) to work again, so that the positioning block (45) moves in a reverse direction for a certain distance, and the manipulator (7) clamps the pipe fitting and conveys the pipe fitting to the positioning block (63).

8. The process for manufacturing bent pipes of faucets according to claim 7, wherein in step A3, the cutting device (39) comprises the following steps:

step B1, the control system controls the cylinder six (57) to work, and the position of the electric cutting wheel (62) in the vertical direction is changed to be located at the position where the pipe fitting needs to be cut;

step B2, the control system controls the second rotating motor (60) and the electric cutting wheel (62) to work, the second rotating motor (60) drives the connecting rod (61) to rotate, and the electric cutting wheel (62) cuts the pipe fitting;

and step B3, after cutting, stopping the electric cutting wheel (62), controlling the second rotating motor (60) to work again by the control system, and driving the connecting rod (61) to rotate reversely by the second rotating motor (60) so that the electric cutting wheel (62) is gradually far away from the blanking port (41).

9. The process for machining the elbow pipe of the water faucet as claimed in claim 1 or 7, wherein the shaping treatment comprises the following specific steps:

step C1, the control system controls the cylinder IV (50) to work, the moving block (48) is pushed to move towards the cut end of the pipe fitting until the inner wall shaping block (53) is positioned in the cut, and at the moment, the arc surface (54) of the inner wall shaping block (53) is attached to the inner side wall of the pipe fitting;

step C2, the control system controls a fifth cylinder (55) to work, the fifth cylinder (55) drives the outer wall shaping block (56) to move until the arc-shaped concave surface of the outer wall shaping block (56) is attached to the outer side wall of the pipe fitting;

step C3, the control system controls the first rotating motor (52) to work, the first rotating motor (52) drives the supporting plate (51) to rotate, and meanwhile, the inner wall shaping block (53) and the outer wall shaping block (56) synchronously rotate;

and step C4, after the shaping is finished, the control system controls the cylinder five (55) to work again, the cylinder five (55) drives the outer wall shaping block (56) to move reversely to enable the outer wall shaping block to be separated from the outer side wall of the pipe fitting, then the control system controls the cylinder four (50) to work to enable the moving block (48) to move reversely, and finally the inner wall shaping block (53) and the outer wall shaping block (56) are separated from the pipe fitting.

10. The process for machining the elbow of the water faucet as claimed in claim 1 or 7, wherein the manipulator (7) places the cut and shaped pipe fitting in the positioning groove (64) so that the end of the pipe fitting where the notch is formed is in contact with the convex plate (65), the bent part of the pipe fitting is limited in the first limiting groove (66), and the end of the pipe fitting where the inlet thread is formed is limited in the second limiting groove (67).